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 Decatur Weather Forecast Summary |
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Today
May 17th
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Monday
May 18th
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Tuesday
May 19th
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Wednesday
May 20th
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Thursday
May 21st
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Thundershowers |
Mix of Sun and Cloud |
Mix of Sun and Cloud |
Mostly Cloudy |
Mostly Sunny |
82°F
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82°F
68°F |
79°F
70°F |
63°F
49°F |
64°F
46°F |
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| Decatur Detailed Weather Forecast |
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| Sunday, May 17th, 2026 |
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Overnight |
Temperature: 65°F |
| A mix of clear and cloudy skies with showers likely. |
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Morning |
Temperature: 71°F |
| A mix of cloud and sun with showers likely. Chance of a thunderstorm. Windy. |
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Afternoon |
Temperature: 81°F |
| Mostly sunny. Chance of a thunderstorm. Windy. |
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Evening |
Temperature: 73°F |
| Clear. Slight chance of a thunderstorm. Windy. |
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| Monday, May 18th, 2026 |
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Overnight |
Temperature: 68°F |
| Mostly clear. Windy at times. |
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Morning |
Temperature: 73°F |
| Sunny with cloudy periods. Chance of a thunderstorm. Windy. |
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Afternoon |
Temperature: 82°F |
| A mix of cloud and sun. Chance of a thunderstorm. Windy. |
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Evening |
Temperature: 76°F |
| A mix of clear and cloudy skies. Chance of a thunderstorm. Windy. |
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| Tuesday, May 19th, 2026 |
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Overnight |
Temperature: 72°F |
| Mostly clear. Chance of a thunderstorm. Windy. |
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Morning |
Temperature: 72°F |
| Mostly cloudy with a chance of showers or thundershowers. Windy. |
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Afternoon |
Temperature: 78°F |
| A mix of cloud and sun. Chance of a thunderstorm. Windy. |
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Evening |
Temperature: 72°F |
| Clear with cloudy periods with showers likely. Chance of a thunderstorm. Windy at times. |
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| Wednesday, May 20th, 2026 |
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Overnight |
Temperature: 62°F |
| A mix of cloudy and clear skies with a chance of showers. Windy at times. |
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Morning |
Temperature: 57°F |
| Cloudy with a chance of showers. Windy at times. |
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Afternoon |
Temperature: 61°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 52°F |
| Mostly clear. Windy at times. |
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| Thursday, May 21st, 2026 |
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Overnight |
Temperature: 46°F |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: 50°F |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 63°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 56°F |
| A mix of clear and cloudy skies. Windy at times. |
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| Friday, May 22nd, 2026 |
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Overnight |
Temperature: 46°F |
| Clear. |
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Morning |
Temperature: 54°F |
| Sunny. |
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Afternoon |
Temperature: 66°F |
| Sunny. |
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Evening |
Temperature: 60°F |
| Clear. |
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| Saturday, May 23rd, 2026 |
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Overnight |
Temperature: 51°F |
| Clear. |
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Morning |
Temperature: 58°F |
| Sunny. |
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Afternoon |
Temperature: 73°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 65°F |
| Clear. |
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| Sunday, May 24th, 2026 |
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Overnight |
Temperature: 59°F |
| Clear. |
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Morning |
Temperature: 66°F |
| Mostly sunny. Windy at times. |
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Afternoon |
Temperature: 75°F |
| Sunny with cloudy periods. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 71°F |
| Clear. Chance of a thunderstorm. Windy at times. |
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